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The Outbox pattern guarantees reliable publishing. But what about the consumer side? The Inbox pattern ensures each incoming message is processed exactly once, even when the broker retries or delivers duplicates. Here's how to implement it in .NET with MassTransit and PostgreSQL. Link to article: …
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Learn to measure and optimize C# source generator performance in .NET. Covers incremental source generator caching, build-time profiling, and binlog analysis. Link to article: https://www.devleader.ca/2026/04/03/c-source-generator-performance-measuring-and-optimizing-buildtime-impact
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A step-by-step guide to migrate semantic kernel microsoft agent framework in C# -- covering API mapping, gotchas, and when migration makes sense. Link to article: https://www.devleader.ca/2026/04/03/migrating-from-semantic-kernel-to-microsoft-agent-framework-in-c
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This is the kind of post I write for myself and just share on a Friday or weekend when not many folks are paying any attention. I’ve taken a couple days at the end of this week after a month long crush to just think about the strategic technical vision for the Critter Stack and … Continue reading Wolverine “Gap” …
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Today, we're thrilled to announce that Microsoft Agent Framework has reached version 1.0 for both .NET and Python. This is the production-ready release: stable APIs, and a commitment to long-term support. W Link to article: https://devblogs.microsoft.com/agent-framework/microsoft-agent-framework-version-1-0
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In this release, we are focusing even more on improving the everyday developer experience by refining the core workflows and adding native cargo-nextest support directly in the IDE. Running tests in large Rust workspaces can be slow with the default test runner. Many teams rely on Nextest for faster, more scalable …
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A customer was using ReadDirectoryChangesW in the hopes of receiving a notification when a file was copied. They found that when a file was copied, they received a FILE_NOTIFY_CHANGE_LAST_ACCESS, but Link to article: https://devblogs.microsoft.com/oldnewthing/20260403-00/?p=112202
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Compare observer vs mediator pattern in C# with side-by-side code examples, key differences explained, and guidance on when to use each. Link to article: https://www.devleader.ca/2026/04/03/observer-vs-mediator-pattern-in-c-key-differences-explained
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React Native Windows v0.82 is here, marking a major milestone: the legacy Paper architecture has been fully removed. All applications now run exclusively on the New Architecture (Fabric), and this release also unlocks XAML controls for community modules — so Windows apps can seamlessly mix native XAML controls with …
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Set up microsoft agent framework opentelemetry observability in C# to track token usage, latency, tool calls, and errors in your AI agents. Link to article: https://www.devleader.ca/2026/04/02/opentelemetry-and-observability-in-microsoft-agent-framework
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The software supply chain is under sustained attack. Not from a single threat actor or a single incident, but from an ecosystem-wide campaign that has been escalating for months and shows no signs of slowing down. This week, axios, the HTTP client library downloaded 83 million times per week and present in roughly 80% …
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In this post, we explore how ActorSimulator in Strands Evaluations SDK addresses the challenge with structured user simulation that integrates into your evaluation pipeline. Link to article: https://aws.amazon.com/blogs/machine-learning/simulate-realistic-users-to-evaluate-multi-turn-ai-agents-in-strands-evals/
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Union types have been frequently requested for C#, and they're here. Starting with .NET 11 Preview 2, C# 15 introduces the union keyword. The union keyword declares that a value is exactly one of a fixed set of types with compiler-enforced exhaustive pattern matching. If you've used discriminated unions in F# or simil …
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You're three files deep in your Aspire AppHost, and you need to remember exactly which parameters the Redis integration expects. You could alt-tab to your browser, hunt through aspire.dev, squint at the API docs, then come back. Or you could just run a command. Or—better yet—let your AI agent look it up Link to …
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Docker Hub is quickly becoming the home for AI models, serving millions of developers and bringing together a curated lineup that spans lightweight edge models to high-performance LLMs, all packaged as OCI artifacts. Today, we’re excited to welcome Gemma 4, the latest generation of lightweight, state-of-the-art open …
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How to implement Factory Method pattern in C#: step-by-step guide with code examples, best practices, and common pitfalls for creational design patterns. Link to article: https://www.devleader.ca/2026/04/02/how-to-implement-factory-method-pattern-in-c-stepbystep-guide
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Why doesn't the system let you declare your own messages to have the same semantics as
WM_?COPYDATA
In a comment on my discussion on how to return results back from the WM_COPYDATA message, Jan Ringoš observed that it felt wasteful th Link to article: https://devblogs.microsoft.com/oldnewthing/20260402-00/?p=112196
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This is a guest post from John Arundel, a Go writer and teacher who runs a free email course for Go learners. His most recent book is The Deeper Love of Go. Ahoy, maties! Cap’n Long John Arundel here with more tips on sailing the good ship GoLand. This time, we’ll lay aloft to the […] Link to article: …
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This post describes how TGS achieved near-linear scaling for distributed training and expanded context windows for their Vision Transformer-based SFM using Amazon SageMaker HyperPod. This joint solution cut training time from 6 months to just 5 days while enabling analysis of seismic volumes larger than previously …
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In this post, we show you how to configure AWS Network Firewall to restrict AgentCore resources to an allowlist of approved internet domains. This post focuses on domain-level filtering using SNI inspection — the first layer of a defense-in-depth approach. Link to article: …
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